Hamlin County, South Dakota
Hamlin County, South Dakota · ZIP 57221, 57223, 57234
- Census data · ACS 2019-2023
- 6,596 (2024 estimate)Population
- 2,181Households
- $83,194Median household income
- $207,700Median home value
- 22Towns with a page
- 7ZIP codes
Hamlin County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 5,540 |
| 2010 | 5,903 |
| 2020 | 6,164 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 46, retrieved November 14, 2026.
Median household income $83,194 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 46, retrieved November 14, 2026.
- Owner occupied
- 1,778 units
- Renter occupied
- 403 units
- Vacancy rate
- 23%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.
1,725 employees in 213 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 46, retrieved November 14, 2026.
| Measure | Hamlin County | South Dakota |
|---|---|---|
| Population | 6,288 | 899,194 |
| Median household income | $83,194 | $72,421 |
| Median age | 32.5 | 37.7 |
| Median home value | $207,700 | $236,800 |
| Bachelor’s degree or higher | 24.4% | 31.1% |
| Foreign-born residents | 4.0% | 3.9% |
| Owner-occupied homes | 81.5% | 68.6% |
| Mean commute to work | 21.8 minutes | 17.6 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.
Townships, towns and villages in Hamlin County22 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Estelline | City | 768 | 0.95 sq mi |
| Castlewood | City | 716 | 1.15 sq mi |
| Norden Township | Township | 690 | 38.9 sq mi |
| Lake Norden | City | 625 | 0.87 sq mi |
| Bryant | City | 479 | 0.52 sq mi |
| Hayti | Town | 434 | 0.46 sq mi |
| Lake Poinsett | Census designated place | 413 | 4.95 sq mi |
| Estelline Township | Township | 330 | 46.5 sq mi |
| Oxford Township | Township | 321 | 51.8 sq mi |
| Cleveland Township | Township | 299 | 34.7 sq mi |
| Hayti Township | Township | 292 | 32.4 sq mi |
| Hamlin Township | Township | 262 | 35.9 sq mi |
| Castlewood Township | Township | 259 | 34.6 sq mi |
| Dempster Township | Township | 243 | 35.9 sq mi |
| Opdahl Township | Township | 210 | 33.9 sq mi |
| Florence Township | Township | 163 | 33.8 sq mi |
| Brantford Township | Township | 149 | 53.4 sq mi |
| Garfield Township | Township | 132 | 35.2 sq mi |
| Dixon Township | Township | 126 | 35.8 sq mi |
| Hazel | Town | 98 | 0.24 sq mi |
| Claremont Colony | Census designated place | 0 | 0.30 sq mi |
| Poinsett Colony | Census designated place | 0 | 0.26 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 46 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Hamlin County
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Neighboring counties
Neighboring counties
- Brookings CountyPopulation 36,359 (2024 estimate)
- Clark CountyPopulation 3,974 (2024 estimate)
- Codington CountyPopulation 29,278 (2024 estimate)
- Deuel CountyPopulation 4,335 (2024 estimate)
- Kingsbury CountyPopulation 5,261 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 46, retrieved November 14, 2026.